US330602A - Henry mathey - Google Patents
Henry mathey Download PDFInfo
- Publication number
- US330602A US330602A US330602DA US330602A US 330602 A US330602 A US 330602A US 330602D A US330602D A US 330602DA US 330602 A US330602 A US 330602A
- Authority
- US
- United States
- Prior art keywords
- cement
- mathey
- henry
- cements
- new york
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000004568 cement Substances 0.000 description 24
- 238000001354 calcination Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 238000010298 pulverizing process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011449 brick Substances 0.000 description 4
- 239000011396 hydraulic cement Substances 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 2
- 241001272996 Polyphylla fullo Species 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 235000015450 Tilia cordata Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/432—Preheating without addition of fuel
Definitions
- My invention relates to improvements in the manufacture of hydraulic cement.
- the higher grade cements such as the English Portland, the French Boulogne, and the Belgian. and German cementshave been found to stand greater tensile and breaking strains than the ordinary standard cements.
- These foreign cements are usually made in the following manner:
- the different elements composing the cements (the most important being lime, silica, and alumina) are mixed up in their proper proportions into a wet and pasty state under vertical mullers. This mass, which is thus rendered fine and homogene ous, is subsequently made into forms or bricks, which are burned in a Portland-cement kiln. After calcination the cement is pulverized and barreled for commerce. This method of burning permits considerable ashes and unburned coal to be intimately mixed with the cement,
- the different raw elements required for a No. 1 cement are first ground in their proper proportions to a fine powder, (impalpable, or nearly so,) and this powder is then fed into a calcining apparatus, (having a regular and constant discharge,) where it is subjected to a high heat.
- a furnace such as shown in my patent for revolving furnace, granted September 1, 1885, and numbered 325,259.
- the material being ininutely divided is uniformly exposed to the heat, and is burned regularly. The different reactions which occur during the burning take place rapidly, and a perfect cement is quickly and economically formed.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Crushing And Pulverization Processes (AREA)
- Disintegrating Or Milling (AREA)
Description
UNITED STATES PATENT OEEIcE.
HENEY MATHEY, OF NEW YORK, N. Y., ASSIGNOR TO H. e. BOND, 0E SAME PLACE.
MANUFACTURE OF CEMENT.
SPECIFICATION forming part of Letters Patent No. 330,602, dated November 17, 1885.
Application filed June 29, 1885. Serial No. 170,116.
(No specimens.)
To all whom it may concern:
Be it known that I, HENRY lVIA'lHEY, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented certain new and useful Improvements in the Manufacture of Cement,
of which the following is a specification.
My invention relates to improvements in the manufacture of hydraulic cement. The higher grade cements-such as the English Portland, the French Boulogne, and the Belgian. and German cementshave been found to stand greater tensile and breaking strains than the ordinary standard cements. These foreign cements are usually made in the following manner: The different elements composing the cements (the most important being lime, silica, and alumina) are mixed up in their proper proportions into a wet and pasty state under vertical mullers. This mass, which is thus rendered fine and homogene ous, is subsequently made into forms or bricks, which are burned in a Portland-cement kiln. After calcination the cement is pulverized and barreled for commerce. This method of burning permits considerable ashes and unburned coal to be intimately mixed with the cement,
and, moreover, it is apparent that such a process is expensive.
By my process the slip or wet mass, the formation'of the bricks, and the admixture and pulverization of the products of combustion just described are dispensed with.
To attain the objects sought for by my process, the different raw elements required for a No. 1 cement are first ground in their proper proportions to a fine powder, (impalpable, or nearly so,) and this powder is then fed into a calcining apparatus, (having a regular and constant discharge,) where it is subjected to a high heat. For this purpose I prefer a furnacesuch as shown in my patent for revolving furnace, granted September 1, 1885, and numbered 325,259. The material being ininutely divided is uniformly exposed to the heat, and is burned regularly. The different reactions which occur during the burning take place rapidly, and a perfect cement is quickly and economically formed. The cement as it is discharged from the calcining apparatus is cooled and barreled without further pul- Verization. In my application, now pending, filed March 18, 1885, N 0. 159,309, the cement, rock is first crushed, then burned, and, thirdly, pulverized. Thus it will be seen that in the present application I have dispensed with one extra and expensive step by pulverizing the material in the first instance. By reason of this first and fine pulverization perfect calcination and the discharge of the calcined material can be more rapid, and the amount of material treated be greatly increased for a given amount of fuel.
Having thus described my invention, what I claim is The process of making hydraulic cement, which consists in first grinding the cement rock or material to a fine powder and then calcining this powder, substantially as and for the purpose set forth.
In testimony whereof I affix my signature in presence of two witnesses.
HENRY MATHEY.
\Vitnesses:
EMMA M. GILLEIT, NEWTON B. LOVEJOY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US330602A true US330602A (en) | 1885-11-17 |
Family
ID=2399705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US330602D Expired - Lifetime US330602A (en) | Henry mathey |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US330602A (en) |
-
0
- US US330602D patent/US330602A/en not_active Expired - Lifetime
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